CIRCUIT FOR DAMPING DIALING NOISE IN TELEPHONE SWITCHING EQUIPMENT,申请号YU19880000044-传众专利搜索

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发明名称	CIRCUIT FOR DAMPING DIALING NOISE IN TELEPHONE SWITCHING EQUIPMENT
摘要
申请公布号	YU4488(A)	申请公布日期	1990.12.31
申请号	YU19880000044	申请日期	1988.01.11
申请人	EI ZEMUN	发明人	MARKOV Z
分类号	H04B3/20;H04M1/58;(IPC1-7):H04M1/58	主分类号	H04B3/20
代理机构		代理人
主权项
地址

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